package com.study.netty.echodemo;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.CharsetUtil;

/**
 * Created by tan on 2017/7/17.
 */
public class EchoClientHandler extends SimpleChannelInboundHandler<ByteBuf> {

	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		ctx.writeAndFlush(Unpooled.copiedBuffer("netty echo", CharsetUtil.UTF_8));
	}

	@Override
	protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
		System.out.println("client received: " + msg.toString(CharsetUtil.UTF_8));
	}

	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
		cause.printStackTrace();
		ctx.close();
	}
}
